Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONNECTOR
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Check the following terminals and connectors of the ADAS control unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair the terminal and connector.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the connector of ADAS control unit.
- Check the continuity between the ADAS control unit harness connector terminals.
ADAS control unit harness connector
Continuity
Connector No.
Terminal No.
M128
2
18
Existed
5
6
Existed
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair the ADAS control unit branch line (ITS CAN communication circuit side).
- CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ADAS control unit. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
Replace the ADAS control unit. Refer to Removal and Installation .
YES
Error was detected in the ADAS control unit branch line (ITS CAN communication circuit side).
NO
Repair the power supply and the ground circuit.